This is an Analog type Exhaust Gas Temperature Guage for Aircraft. It is used to measure the Exhaust Temerature of the hottest cylinder as a safeguard to engine overheating. egt analog egt exhaust gast temperature Aircraft EGT Guage
This is a Engine Tachometer common to many types of General Aviation aircraft. It is color-coded for the Cessna type engine and prop limits. The color coding can be modified as needed for a particular type of aircraft. tachometer cessna engine guage Cessna Type Aircraft Tachometer